<template>
  <div>
    <!-- 购物车 -->
    <div id="shopping-cart" class="page-shopping-cart">
      <h4 class="cart-title">购物清单</h4>
      <!-- 标题 -->
      <div class="cart-product-title clearfix">
        <div class="td-check fl">
          <!-- 当切换到check-true类名时就调用全选函数 -->
          <span
            class="check-span fl check-all"
            :class="{'check-true':isSelectAll}"
            @click="selectProduct(isSelectAll)"
          ></span>
          <!-- 选择框 -->
          全选
        </div>
        <div class="td-product fl">商品</div>
        <div class="td-num fl">数量</div>
        <div class="td-price fl">单价(元)</div>
        <div class="td-total fl">金额(元)</div>
        <div class="td-do fl">操作</div>
      </div>

      <!-- 内容 -->
      <div class="cart-product clearfix">
        <table>
          <tbody>
            <tr v-for="(item,index) in productList" :key="index">
              <td class="td-check">
                <span
                  class="check-span"
                  @click="item.select=!item.select"
                  :class="{'check-true':item.select}"
                ></span>
              </td>
              <td class="td-product">
                <img :src="item.pro_img" width="98" height="98" alt>
                <div class="product-info">
                  <h6>{{item.pro_name}}</h6>
                  <p>品牌：{{item.pro_brand}}&nbsp;&nbsp;{{item.pro_place}}</p>
                  <p>规格/纯度:{{item.pro_purity}}&nbsp;&nbsp;起定量：{{item.pro_min}}</p>
                  <p>配送仓储：{{item.pro_depot}}</p>
                </div>
                <div class="clearfix"></div>
              </td>
              <td class="td-num">
                <div class="product-num">
                  <a href="javascript:;" class="num-reduce num-do fl" @click="item.pro_num--">
                    <span></span>
                  </a>
                  <input type="text" class="num-input" v-model="item.pro_num">
                  <a href="javascript:;" class="num-add num-do fr" @click="item.pro_num++">
                    <span></span>
                  </a>
                </div>
              </td>
              <td class="td-price">
                <p class="red-text">￥
                  <span class="price-text">{{item.pro_price.toFixed(2)}}</span>.00
                </p>
              </td>
              <td class="td-total">
                <p class="red-text">￥
                  <span class="price-text">{{item.pro_price*item.pro_num}}</span>.00
                </p>
              </td>
              <td class="td-do">
                <a href="javascript:;" class="product-delete" @click="deleteOneProduct(index)">删除</a>
              </td>
            </tr>
          </tbody>
        </table>
      </div>

      <!-- 最后一行统计 -->
      <div class="cart-product-info">
        <a href="javascript:;" class="delete-product" @click="deleteProduct">
          <span></span>删除所选商品
        </a>
        <a href="#" class="keep-shopping">
          <span></span>继续购物
        </a>
        <a href="javascript:;" class="fr btn-buy">去结算</a>
        <a href="javascript:;" class="fr product-total">￥
          <span>{{getTotal.totalPrice}}</span>
        </a>
        <a href="javascript:;" class="fr check-num">
          <span>{{getTotal.totalNum}}</span>件商品总计（不含运费）:
        </a>
      </div>

      <div class="cart-worder clearfix">
        <a href="javascript:;" class="choose-worder fl">
          <span></span>绑定跟单员
        </a>
        <div class="worker-info fl"></div>
      </div>
    </div>
  </div>
</template>




<script type="text/javascript">
export default {
  name: "Shopcar",
  data() {
    return {
      productList: [
        {
          pro_name: "【斯文】甘油|丙三醇",
          pro_brand: "skc",
          pro_place: "韩国",
          pro_purity: "99.7%",
          pro_min: "215千克",
          pro_depot: "上海沧海仓储",
          pro_num: 1,
          pro_img: "testimg.jpg",
          pro_price: 800
        },
        {
          pro_name: "【斯文】甘油|丙三醇",
          pro_brand: "skc",
          pro_place: "韩国",
          pro_purity: "99.7%",
          pro_min: "215千克",
          pro_depot: "上海沧海仓储",
          pro_num: 1,
          pro_img: "testimg.jpg",
          pro_price: 700
        },
        {
          pro_name: "【斯文】甘油|丙三醇",
          pro_brand: "skc",
          pro_place: "韩国",
          pro_purity: "99.7%",
          pro_min: "215千克",
          pro_depot: "上海沧海仓储",
          pro_num: 1,
          pro_img: "testimg.jpg",
          pro_price: 600
        }
      ]
    };
  },
  computed: {
    // 检测是否全选
    isSelectAll: function() {
      //如果productList中每一条数据的select都为true,就返回true,否则返回false
      return this.productList.every(function(val) {
        return val.select;
      });
    },

    // 获取总价和产品总数
    getTotal: function() {
      // 获取list中select为true的数据
      var _proList = this.productList.filter(function(val) {
          return val.select;
        }),
        totalPrice = 0;
      for (var i = 0; i < _proList.length; i++) {
        // 总价累加
        totalPrice += _proList[i].pro_num * _proList[i].pro_price;
      }
      // 选择产品的件数就是_proList.lenth，总价就是totalPrice
      return { totalNum: _proList.length, totalPrice: totalPrice };
    }
  },
  methods: {
    // 全选与取消全选
    selectProduct: function(_isSelect) {
      //遍历productList,全部取反
      for (var i = 0; i < this.productList.length; i++) {
        this.productList[i].select = !_isSelect;
      }
    },

    //删除选中的产品
    deleteProduct: function() {
      this.productList = this.productList.filter(function(item) {
        return !item.select;
      });
    },

    //删除单条产品
    deleteOneProduct: function(index) {
      //根据索引删除productList的记录
      console.log(index)
      this.productList.splice(index, 1);
    }
  },
  mounted: function() {
    //为productList添加select（是否选中字段，初始值为true）
    var _this = this;
    this.productList.map(function(item) {
      //map:'键值对'
      _this.$set(item, "select", true); //往item添加select属性，默认为true
    });
  }
};
</script>
<style>
.fl {
  float: left;
}
.fr {
  float: right;
}
blockquote,
body,
dd,
div,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
img,
input,
li,
ol,
p,
table,
td,
textarea,
th,
ul {
  margin: 0;
  padding: 0;
}
.clearfix {
  zoom: 1;
}
.clearfix:after {
  clear: both;
}
.clearfix:after {
  content: ".";
  display: block;
  overflow: hidden;
  visibility: hidden;
  font-size: 0;
  line-height: 0;
  width: 0;
  height: 0;
}
a {
  text-decoration: none;
  color: #333;
}
img {
  vertical-align: middle;
}
.page-shopping-cart {
  width: 1200px;
  margin: 50px auto;
  font-size: 14px;
  border: 1px solid #e3e3e3;
  border-top: 2px solid #317ee7;
}
.page-shopping-cart .cart-title {
  color: #317ee7;
  font-size: 16px;
  text-align: left;
  padding-left: 20px;
  line-height: 68px;
}
.page-shopping-cart .red-text {
  color: #e94826;
}
.page-shopping-cart .check-span {
  display: block;
  width: 24px;
  height: 20px;
  margin-top: 9px;
  background: url("cartBg.png") no-repeat 0 0;
}

/* 点击时改变勾选 */
.page-shopping-cart .check-span.check-true {
  background: url("cartBg.png") no-repeat 0 -22px;
}
.page-shopping-cart .td-check {
  width: 70px;
}
.page-shopping-cart .td-product {
  width: 460px;
}
.page-shopping-cart .td-num,
.page-shopping-cart .td-price,
.page-shopping-cart .td-total {
  width: 160px;
}
.page-shopping-cart .td-do {
  width: 150px;
}
.cart-product-title {
  text-align: center;
  height: 38px;
  line-height: 38px;
  padding: 0 20px;
  background-color: #f7f7f7;
  border-top: 1px solid #e3e3e3;
  border-bottom: 1px solid #e3e3e3;
}
.cart-product-title .td-product {
  text-align: center;
  font-size: 14px;
}
.cart-product-title .td-check {
  text-align: left;
}
.cart-product-title .td-check .check-span .check-span {
  margin: 9px 6px 0 0;
}

/* 内容开始 */
.cart-product {
  padding: 0 20px;
  text-align: center;
}
.cart-product table {
  width: 100%;
  text-align: center;
  font-size: 14px;
}
.cart-product table td {
  padding: 20px 0;
}
.cart-product table tr {
  border-bottom: 1px dashed #e3e3e3;
}
.cart-product table tr:last-child {
  border-bottom: none;
}
.cart-product table .product-num {
  border: 1px solid #e3e3e3;
  display: inline-block;
  text-align: center;
}
.cart-product table .product-num .num-do {
  width: 24px;
  height: 28px;
  background: #f7f7f7;
  display: block;
}
.cart-product table .product-num .num-reduce span {
  display: block;
  width: 6px;
  height: 2px;
  margin: 13px auto 0 auto;
  background: url("cartBg.png") no-repeat -40px -22px;
}
.cart-product table .product-num .num-add span {
  display: block;
  width: 8px;
  height: 8px;
  margin: 10px auto 0 auto;
  background: url("cartBg.png") no-repeat -60px -22px;
}
.cart-product table .product-num .num-input {
  width: 42px;
  height: 28px;
  line-height: 28px;
  border: none;
  text-align: center;
}
.cart-product table .td-product {
  text-align: center;
  font-size: 12px;
  line-height: 20px;
}
.cart-product table .td-product img {
  border: 1px solid #e3e3e3;
  margin-right: 10px;
}
.cart-product table .td-product .product-info {
  display: inline-block;
  vertical-align: middle;
  text-align: left;
}
.cart-product table .td-do {
  font-size: 12px;
}

/* 最后一行统计 */

.cart-product-info {
  height: 50px;
  line-height: 50px;
  background: #f7f7f7;
  padding-left: 20px;
}
.cart-product-info .delete-product {
  color: #666;
}
.cart-product-info .delete-product span {
  display: inline-block;
  vertical-align: top;
  margin: 18px 8px 0 0;
  width: 13px;
  height: 15px;
  background: url("cartBg.png") no-repeat -60px 0;
}
.cart-product-info .product-total {
  font-size: 14px;
  color: #e94826;
}
.cart-product-info .product-total span {
  font-size: 20px;
}
.cart-product-info .check-num {
  color: #333;
}
.cart-product-info .check-num span {
  color: #e94826;
}
.cart-product-info .keep-shopping {
  color: #666;
  margin-left: 40px;
}
.cart-product-info .keep-shopping span {
  display: inline-block;
  vertical-align: top;
  margin: 18px 8px 0 0;
  width: 15px;
  height: 15px;
  background: url("cartBg.png") no-repeat -40px 0;
}
.cart-product-info .btn-buy {
  height: 50px;
  color: #fff;
  font-size: 20px;
  display: block;
  width: 110px;
  background: #ff7700;
  text-align: center;
  margin-left: 30px;
}

/* cart-worder */

.page-shopping-cart .cart-worder {
  padding: 20px;
}
.page-shopping-cart .cart-worder .choose-worder {
  color: #fff;
  display: block;
  background: #39e;
  width: 140px;
  height: 40px;
  line-height: 40px;
  border-radius: 4px;
  text-align: center;
  margin-right: 20px;
}
.page-shopping-cart .cart-worder .choose-worder span {
  display: inline-block;
  vertical-align: top;
  margin: 9px 10px 0 0;
  width: 22px;
  height: 22px;
  background: url("cartBg.png") no-repeat -92px 0;
}
.page-shopping-cart .cart-worder .worker-info {
  color: #666;
}
.page-shopping-cart .cart-worder .worker-info img {
  border-radius: 100%;
  margin-right: 10px;
}
.page-shopping-cart .cart-worder .worker-info span {
  color: #000;
}

.choose-worker-box {
  width: 620px;
  background: #fff;
}
.choose-worker-box .box-title {
  height: 40px;
  line-height: 40px;
  background: #f7f7f7;
  text-align: center;
  position: relative;
  font-size: 14px;
}
.choose-worker-box .box-title a {
  display: block;
  position: absolute;
  top: 15px;
  right: 16px;
  width: 10px;
  height: 10px;
  background: url("shopping_cart.png") no-repeat -80px 0;
}
.choose-worker-box .box-title a:hover {
  background: url("shopping_cart.png") no-repeat -80px -22px;
}
.choose-worker-box .worker-list {
  padding-top: 30px;
  height: 134px;
  overflow-y: auto;
}
.choose-worker-box .worker-list li {
  float: left;
  width: 25%;
  text-align: center;
  margin-bottom: 30px;
}
.choose-worker-box .worker-list li p {
  margin-top: 8px;
}
.choose-worker-box .worker-list li.cur a {
  color: #f70;
}
.choose-worker-box .worker-list li.cur a img {
  border: 1px solid #f70;
}
.choose-worker-box .worker-list li a:hover {
  color: #f70;
}
.choose-worker-box .worker-list li a:hover img {
  border: 1px solid #f70;
}
.choose-worker-box .worker-list li img {
  border: 1px solid #fff;
  border-radius: 100%;
}
</style>